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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions

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FIBOITER(N)
;Iterative version to get the Nth Fibonacci number
;N must be a positive integer
;F is the tree containing the values
;I is a loop variable.
QUIT:(N\1'=N)!(N<0) "Error: "_N_" is not a positive integer."
NEW F,I
SET F(0)=0,F(1)=1
QUIT:N<2 F(N)
FOR I=2:1:N SET F(I)=F(I-1)+F(I-2)
QUIT F(N)